How to find my IP address, default gateway and DNS server on Ubuntu 20.04 Focal Fossa Linux from command line

How to find my IP address on Ubuntu 20.04 Focal Fossa Linux

In this tutorial, we will show how to use the Ubuntu ip command to see information about the local IP address, default gateway, and DNS servers on Ubuntu 20.04 Focal Fossa Linux. The IP address is used by your Ubuntu machine to talk to other devices on the network, like a router or other PCs. Keep in mind that your internal IP address is different from your system’s external IP.

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Install and Use MicroK8s on Ubuntu

Install and Use MicroK8s on Ubuntu

MicroK8s is one of the lightest Kubernetes deployments available, with a very small footprint. This makes it ideal for deployment on edge devices or lightweight machines such as a Raspberry Pi or virtual machine. It can be used in a production environment at a very small scale, but is probably mostly known for its use in development and testing. It is very simple to install and launch a quick Kubernetes cluster with MicroK8s, do your needed testing, and then remove the entire package.

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Ubuntu 22.04 network configuration

Ubuntu 22.04 Network Setup

Network setup for Ubuntu can range from easy to hard, depending on what you’re trying to do. Canonical prides itself on making their Ubuntu 22.04 Jammy Jellyfish Linux operating system very simple to use, even if you do not have a lot of technical knowledge. Despite its simplicity, Ubuntu has a lot going on under the hood to make things work, including networking configuration that allows you to connect to local devices or servers across the world.

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Checking the status of NGINX on Ubuntu

How to check NGINX status on Ubuntu

After installing NGINX on Ubuntu Linux, either as a web server or reverse proxy server, you’ll need to learn the basics of administrating the service. In this tutorial, we’ll show how to check the status of NGINX on Ubuntu. This will give you information about the state of the NGINX service, to help you determine if it’s running, accepting connections successfully, etc. We’ll also explain the various states of NGINX, so you know what to do with the information that’s presented.

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Gnome Shell Extensions on Ubuntu 22.04 Jammy Jellyfish Linux

How to install Gnome Shell Extensions on Ubuntu 22.04 Jammy Jellyfish Linux Desktop

The functionalities of the GNOME desktop environment can be expanded with the installation of Ubuntu GNOME extensions. These are plugins written and submitted by normal users and developers that seek to improve the desktop environment and want to share their extension with other users. In this tutorial, you will learn how to install Gnome Shell Extensions on Ubuntu 22.04 Jammy Jellyfish Desktop.

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How to show/check for open ports on Ubuntu Linux

How to show/check for open ports on Ubuntu Linux

Checking for open ports on Ubuntu Linux is an essential part of security administration. Some Linux software works by listening for incoming connections. A simple example would be a web server, which handles user requests whenever someone navigates to a website. As a Linux administrator or user, it’s important to always know which ports of your system are open to the internet. Otherwise, you could be unaware of outside connections being made to your computer, which consumes bandwidth and resources, along with being a potential security hole.

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Ubuntu 22.04 on WSL (Windows Subsystem for Linux)

Ubuntu 22.04 on WSL (Windows Subsystem for Linux)

If you are a Windows user and do not want to take the full plunge into Linux, Windows Subsystem for Linux can be a fair compromise to at least give you some Linux capabilities on your Windows sytem. Ubuntu 22.04 is a great operating system to install on WSL, and definitely the most popular of the Linux distributions currently offered. Both Windows 10 and Windows 11 systems are capable of installing Ubuntu 22.04 through WSL.

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How to enable/disable wayland on Ubuntu 22.04 Desktop

How to enable/disable wayland on Ubuntu 22.04 Desktop

Wayland is a communication protocol that specifies the communication between a display server and its clients, and we can choose whether to enable/disable Wayland on Ubuntu. By default the Ubuntu 22.04 Jammy Jellyfish desktop already uses Wayland but it’s also possible to load to Xorg display server instead. In this tutorial, you will see how to disable and enable Wayland in Ubuntu 22.04 Jammy Jellyfish.

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How to install, uninstall and update Firefox on Ubuntu

How to install, uninstall and update Firefox on Ubuntu

Every Ubuntu user that uses a graphical interface will have to interact with Mozilla Firefox in some capacity, since it’s the default internet browser on Ubuntu. Even if you just want to uninstall it and use a different browser, you’ll at least be dealing with it for a short time. In this guide, we’ll show you how you can install, update, and uninstall Firefox on Ubuntu Linux.

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